Digital Myxoid Cyst

What is a digital myxoid cyst?

A digital myxoid cyst is a fluid filled sac (cyst) which forms near the base of the nail or over the furthest joints of the fingers. This type of cyst is also called a Digital Mucous Cyst.

What causes a digital myxoid cyst?

The exact cause is unknown. Osteoarthritis of the joints of the fingers has been shown to be a risk factor in developing this type of cyst. Trauma and damage to the skin of the fingers may also increase the risk of developing these cysts.